281 lines
8.2 KiB
HTML
281 lines
8.2 KiB
HTML
<!doctype html>
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<html lang='en' class='no-js '>
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<head>
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<meta charset='utf-8'>
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<meta content='width=device-width, initial-scale=1.0' name='viewport'>
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<link href='./assets/favicon.png' rel='shortcut icon'>
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<meta content='/deku@1.html' name='app:pageurl'>
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<title>Deku v1 cheatsheet</title>
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<meta content='Deku v1 cheatsheet' property='og:title'>
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<meta content='Deku v1 cheatsheet' property='twitter:title'>
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<meta content='article' property='og:type'>
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<meta content='https://assets.devhints.io/previews/deku@1.jpg?t=20200622145648' property='og:image'>
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<meta content='https://assets.devhints.io/previews/deku@1.jpg?t=20200622145648' property='twitter:image'>
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<meta content='900' property='og:image:width'>
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<meta content='471' property='og:image:height'>
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<meta content="The one-page guide to Deku v1: usage, examples, links, snippets, and more." name="description">
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<meta content="The one-page guide to Deku v1: usage, examples, links, snippets, and more." property="og:description">
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<meta content="The one-page guide to Deku v1: usage, examples, links, snippets, and more." property="twitter:description">
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<link rel="canonical" href="https://devhints.io/deku@1">
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<meta name="og:url" content="https://devhints.io/deku@1">
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<meta content='Devhints.io cheatsheets' property='og:site_name'>
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<meta content='JavaScript libraries' property='article:section'>
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<script async src='https://www.googletagmanager.com/gtag/js?id=UA-106902774-1'></script>
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<script>
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window.dataLayer=window.dataLayer||[];
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function gtag(){dataLayer.push(arguments)};
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gtag('js',new Date());
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gtag('config','UA-106902774-1');
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</script>
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<meta property='page:depth' content='1'>
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<script>(function(H){H.className=H.className.replace(/\bno-js\b/,'js')})(document.documentElement)</script>
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<script>(function(H){H.className=H.className.replace(/\bNoJs\b/,'WithJs')})(document.documentElement)</script>
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<script>(function(d,s){if(window.Promise&&[].includes&&Object.assign&&window.Map)return;var js,sc=d.getElementsByTagName(s)[0];js=d.createElement(s);js.src='https://cdn.polyfill.io/v2/polyfill.min.js';sc.parentNode.insertBefore(js, sc);}(document,'script'))</script>
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<!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
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<style>html{opacity:0}</style>
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<link rel="stylesheet" href="./assets/2015/style.css?t=20200622145648">
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<link href="./assets/style.css?t=20200622145648" rel="stylesheet" />
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<link href="./assets/print.css?t=20200622145648" rel="stylesheet" media="print" />
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</head>
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<body>
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<div class='all'>
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<div class='site-header'>
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<div class='container'>
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This is <a href="."><em>Devhints.io cheatsheets</em></a> — a collection of cheatsheets I've written.
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</div>
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</div>
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<script type='application/ld+json'>
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{
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"@context": "http://schema.org",
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"@type": "NewsArticle",
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"mainEntityOfPage": {
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"@type": "WebPage",
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"@id": "https://google.com/article"
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},
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"headline": "Deku v1 cheatsheet",
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"image": [ "https://assets.devhints.io/previews/deku@1.jpg?t=20200622145648" ],
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"description": "The one-page guide to Deku v1: usage, examples, links, snippets, and more."
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}
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</script>
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<script type='application/ld+json'>
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{
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"@context": "http://schema.org",
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"@type": "BreadcrumbList",
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"itemListElement": [{
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"@type": "ListItem",
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"position": 1,
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"item": {
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"@id": "https://devhints.io/#javascript-libraries",
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"name": "JavaScript libraries"
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}
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},{
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"@type": "ListItem",
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"position": 2,
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"item": {
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"@id": "https://devhints.io/deku@1",
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"name": "Deku v1"
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}
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}]
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}
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</script>
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<div class='post-list -single -cheatsheet'>
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<div class='post-item'>
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<div class='post-headline -cheatsheet'>
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<p class='prelude'><span></span></p>
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<h1><span>Deku v1</span></h1>
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<ul class="social-list ">
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<li class="facebook link hint--bottom" data-hint="Share on Facebook"><a href="https://www.facebook.com/sharer/sharer.php?u=https://devhints.io/deku@1.html" target="share"><span class="text"></span></a></li>
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<li class="twitter link hint--bottom" data-hint="Share on Twitter"><a href="https://twitter.com/intent/tweet?text=The%20ultimate%20cheatsheet%20for%20Deku%20v1.%20https://devhints.io/deku@1.html" target="share"><span class="text"></span></a></li>
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</ul>
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</div>
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<div class='post-content -cheatsheet'>
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<p>This is for Deku v1. See <a href="./deku">deku</a> for a more updated cheatsheet.</p>
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<pre><code class="language-js">/** @jsx element */
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import element from 'virtual-element' // replacement for React.createElement
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import {render, tree} from 'deku'
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var app = <div class='my-app'>Hello World!</div>
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render(tree(app), document.body)
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</code></pre>
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<h2 id="components">Components</h2>
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<pre><code class="language-js">Button = {
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render () { return <button>Submit</button> }
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}
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App = {
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render () { return <div><Button /></div> }
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}
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render(tree(<App />), document.body)
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render(tree(element(App)), document.body)
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</code></pre>
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<h2 id="component-propsstate">Component props/state</h2>
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<pre><code class="language-js">App = {
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render ({ props, state }) {
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return <div>{ /*...use state.store here*/ }</div>
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}
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initialState (props) {
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return { store: store.getState() }
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},
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afterMount (comp, el, setState) {
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store.subscribe(() => setState({ store: store.getState() }))
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}
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}
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render(tree(<App />), document.body)
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</code></pre>
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<h2 id="events">Events</h2>
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<pre><code class="language-js"><a onClick={onClick}>{props.text}</a>
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</code></pre>
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<h2 id="magic-virtual-element">Magic virtual element</h2>
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<p>Use <a href="https://github.com/dekujs/magic-virtual-element">magic-virtual-element</a> to enable nice classnames.</p>
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<pre><code>import element from 'magic-virtual-element'
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<div style={style} class={[ 'button', '-active' ]}>
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</code></pre>
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<h2 id="reference">Reference</h2>
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<pre><code>name = 'MyComponent'
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// Defaults
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initialState (props) {...} // return initial state
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defaultProps = { hi: 'hello' }
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// Render
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render ({props, state}, setState) {...}
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// Lifecycle
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beforeUpdate ({props, state, id}, nextProps, nextState) {}
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afterRender ({props, state, id}, el) {}
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afterUpdate ({props, state, id}, prevProps, prevState, setState) {}
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afterMount ({props, state, id}, el, setState) {}
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beforeUnmount ({props, state, id}, el) {}
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</code></pre>
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<p>See: <a href="https://www.npmjs.com/package/deku">https://www.npmjs.com/package/deku</a></p>
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</div>
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<ul class="social-list ">
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<li class="facebook link hint--bottom" data-hint="Share on Facebook"><a href="https://www.facebook.com/sharer/sharer.php?u=https://devhints.io/deku@1.html" target="share"><span class="text"></span></a></li>
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<li class="twitter link hint--bottom" data-hint="Share on Twitter"><a href="https://twitter.com/intent/tweet?text=The%20ultimate%20cheatsheet%20for%20Deku%20v1.%20https://devhints.io/deku@1.html" target="share"><span class="text"></span></a></li>
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</ul>
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</div>
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</div>
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<div class="about-the-site">
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<div class="container">
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<p class='blurb'>
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<strong><a href=".">Devhints.io cheatsheets</a></strong> is a collection of cheatsheets I've written over the years.
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Suggestions and corrections? <a href='https://github.com/rstacruz/cheatsheets/issues/907'>Send them in</a>.
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<i class='fleuron'></i>
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I'm <a href="http://ricostacruz.com">Rico Sta. Cruz</a>.
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Check out my <a href="http://ricostacruz.com/til">Today I learned blog</a> for more.
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</p>
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<p class='back'>
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<a class='big-button -back -slim' href='.#toc'></a>
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</p>
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<p>
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</p>
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</div>
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</div>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.5/highlight.min.js"></script>
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<script src="https://cdn.rawgit.com/rstacruz/unorphan/v1.0.1/index.js"></script>
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<script>hljs.initHighlightingOnLoad()</script>
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<script>unorphan('h1, h2, h3, p, li, .unorphan')</script>
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</body>
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</html>
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